🎉 initiate project *astro_rewrite*
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380
node_modules/markdown-table/index.js
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380
node_modules/markdown-table/index.js
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/**
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* @typedef Options
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* Configuration (optional).
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* @property {string|null|ReadonlyArray<string|null|undefined>} [align]
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* One style for all columns, or styles for their respective columns.
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* Each style is either `'l'` (left), `'r'` (right), or `'c'` (center).
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* Other values are treated as `''`, which doesn’t place the colon in the
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* alignment row but does align left.
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* *Only the lowercased first character is used, so `Right` is fine.*
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* @property {boolean} [padding=true]
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* Whether to add a space of padding between delimiters and cells.
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*
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* When `true`, there is padding:
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*
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* ```markdown
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* | Alpha | B |
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* | ----- | ----- |
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* | C | Delta |
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* ```
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*
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* When `false`, there is no padding:
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*
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* ```markdown
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* |Alpha|B |
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* |-----|-----|
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* |C |Delta|
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* ```
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* @property {boolean} [delimiterStart=true]
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* Whether to begin each row with the delimiter.
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*
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* > 👉 **Note**: please don’t use this: it could create fragile structures
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* > that aren’t understandable to some markdown parsers.
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*
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* When `true`, there are starting delimiters:
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*
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* ```markdown
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* | Alpha | B |
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* | ----- | ----- |
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* | C | Delta |
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* ```
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*
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* When `false`, there are no starting delimiters:
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*
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* ```markdown
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* Alpha | B |
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* ----- | ----- |
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* C | Delta |
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* ```
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* @property {boolean} [delimiterEnd=true]
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* Whether to end each row with the delimiter.
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*
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* > 👉 **Note**: please don’t use this: it could create fragile structures
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* > that aren’t understandable to some markdown parsers.
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*
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* When `true`, there are ending delimiters:
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*
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* ```markdown
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* | Alpha | B |
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* | ----- | ----- |
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* | C | Delta |
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* ```
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*
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* When `false`, there are no ending delimiters:
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*
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* ```markdown
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* | Alpha | B
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* | ----- | -----
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* | C | Delta
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* ```
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* @property {boolean} [alignDelimiters=true]
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* Whether to align the delimiters.
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* By default, they are aligned:
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*
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* ```markdown
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* | Alpha | B |
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* | ----- | ----- |
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* | C | Delta |
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* ```
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*
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* Pass `false` to make them staggered:
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*
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* ```markdown
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* | Alpha | B |
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* | - | - |
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* | C | Delta |
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* ```
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* @property {(value: string) => number} [stringLength]
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* Function to detect the length of table cell content.
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* This is used when aligning the delimiters (`|`) between table cells.
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* Full-width characters and emoji mess up delimiter alignment when viewing
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* the markdown source.
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* To fix this, you can pass this function, which receives the cell content
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* and returns its “visible” size.
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* Note that what is and isn’t visible depends on where the text is displayed.
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*
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* Without such a function, the following:
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*
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* ```js
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* markdownTable([
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* ['Alpha', 'Bravo'],
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* ['中文', 'Charlie'],
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* ['👩❤️👩', 'Delta']
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* ])
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* ```
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*
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* Yields:
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*
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* ```markdown
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* | Alpha | Bravo |
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* | - | - |
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* | 中文 | Charlie |
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* | 👩❤️👩 | Delta |
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* ```
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*
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* With [`string-width`](https://github.com/sindresorhus/string-width):
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*
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* ```js
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* import stringWidth from 'string-width'
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*
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* markdownTable(
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* [
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* ['Alpha', 'Bravo'],
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* ['中文', 'Charlie'],
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* ['👩❤️👩', 'Delta']
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* ],
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* {stringLength: stringWidth}
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* )
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* ```
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*
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* Yields:
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*
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* ```markdown
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* | Alpha | Bravo |
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* | ----- | ------- |
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* | 中文 | Charlie |
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* | 👩❤️👩 | Delta |
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* ```
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*/
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/**
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* @typedef {Options} MarkdownTableOptions
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* @todo
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* Remove next major.
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*/
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/**
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* Generate a markdown ([GFM](https://docs.github.com/en/github/writing-on-github/working-with-advanced-formatting/organizing-information-with-tables)) table..
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*
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* @param {ReadonlyArray<ReadonlyArray<string|null|undefined>>} table
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* Table data (matrix of strings).
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* @param {Options} [options]
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* Configuration (optional).
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* @returns {string}
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*/
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export function markdownTable(table, options = {}) {
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const align = (options.align || []).concat()
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const stringLength = options.stringLength || defaultStringLength
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/** @type {Array<number>} Character codes as symbols for alignment per column. */
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const alignments = []
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/** @type {Array<Array<string>>} Cells per row. */
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const cellMatrix = []
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/** @type {Array<Array<number>>} Sizes of each cell per row. */
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const sizeMatrix = []
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/** @type {Array<number>} */
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const longestCellByColumn = []
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let mostCellsPerRow = 0
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let rowIndex = -1
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// This is a superfluous loop if we don’t align delimiters, but otherwise we’d
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// do superfluous work when aligning, so optimize for aligning.
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while (++rowIndex < table.length) {
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/** @type {Array<string>} */
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const row = []
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/** @type {Array<number>} */
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const sizes = []
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let columnIndex = -1
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if (table[rowIndex].length > mostCellsPerRow) {
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mostCellsPerRow = table[rowIndex].length
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}
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while (++columnIndex < table[rowIndex].length) {
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const cell = serialize(table[rowIndex][columnIndex])
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if (options.alignDelimiters !== false) {
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const size = stringLength(cell)
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sizes[columnIndex] = size
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if (
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longestCellByColumn[columnIndex] === undefined ||
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size > longestCellByColumn[columnIndex]
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) {
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longestCellByColumn[columnIndex] = size
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}
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}
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row.push(cell)
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}
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cellMatrix[rowIndex] = row
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sizeMatrix[rowIndex] = sizes
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}
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// Figure out which alignments to use.
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let columnIndex = -1
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if (typeof align === 'object' && 'length' in align) {
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while (++columnIndex < mostCellsPerRow) {
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alignments[columnIndex] = toAlignment(align[columnIndex])
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}
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} else {
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const code = toAlignment(align)
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while (++columnIndex < mostCellsPerRow) {
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alignments[columnIndex] = code
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}
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}
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// Inject the alignment row.
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columnIndex = -1
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/** @type {Array<string>} */
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const row = []
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/** @type {Array<number>} */
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const sizes = []
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while (++columnIndex < mostCellsPerRow) {
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const code = alignments[columnIndex]
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let before = ''
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let after = ''
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if (code === 99 /* `c` */) {
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before = ':'
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after = ':'
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} else if (code === 108 /* `l` */) {
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before = ':'
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} else if (code === 114 /* `r` */) {
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after = ':'
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}
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// There *must* be at least one hyphen-minus in each alignment cell.
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let size =
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options.alignDelimiters === false
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? 1
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: Math.max(
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1,
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longestCellByColumn[columnIndex] - before.length - after.length
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)
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const cell = before + '-'.repeat(size) + after
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if (options.alignDelimiters !== false) {
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size = before.length + size + after.length
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if (size > longestCellByColumn[columnIndex]) {
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longestCellByColumn[columnIndex] = size
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}
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sizes[columnIndex] = size
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}
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row[columnIndex] = cell
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}
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// Inject the alignment row.
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cellMatrix.splice(1, 0, row)
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sizeMatrix.splice(1, 0, sizes)
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rowIndex = -1
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/** @type {Array<string>} */
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const lines = []
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while (++rowIndex < cellMatrix.length) {
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const row = cellMatrix[rowIndex]
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const sizes = sizeMatrix[rowIndex]
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columnIndex = -1
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/** @type {Array<string>} */
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const line = []
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while (++columnIndex < mostCellsPerRow) {
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const cell = row[columnIndex] || ''
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let before = ''
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let after = ''
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if (options.alignDelimiters !== false) {
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const size =
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longestCellByColumn[columnIndex] - (sizes[columnIndex] || 0)
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const code = alignments[columnIndex]
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if (code === 114 /* `r` */) {
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before = ' '.repeat(size)
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} else if (code === 99 /* `c` */) {
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if (size % 2) {
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before = ' '.repeat(size / 2 + 0.5)
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after = ' '.repeat(size / 2 - 0.5)
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} else {
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before = ' '.repeat(size / 2)
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after = before
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}
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} else {
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after = ' '.repeat(size)
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}
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}
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if (options.delimiterStart !== false && !columnIndex) {
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line.push('|')
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}
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if (
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options.padding !== false &&
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// Don’t add the opening space if we’re not aligning and the cell is
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// empty: there will be a closing space.
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!(options.alignDelimiters === false && cell === '') &&
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(options.delimiterStart !== false || columnIndex)
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) {
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line.push(' ')
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}
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if (options.alignDelimiters !== false) {
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line.push(before)
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}
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line.push(cell)
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if (options.alignDelimiters !== false) {
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line.push(after)
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}
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if (options.padding !== false) {
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line.push(' ')
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}
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if (
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options.delimiterEnd !== false ||
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columnIndex !== mostCellsPerRow - 1
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) {
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line.push('|')
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}
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}
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lines.push(
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options.delimiterEnd === false
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? line.join('').replace(/ +$/, '')
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: line.join('')
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)
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}
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return lines.join('\n')
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}
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/**
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* @param {string|null|undefined} [value]
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* @returns {string}
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*/
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function serialize(value) {
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return value === null || value === undefined ? '' : String(value)
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}
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/**
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* @param {string} value
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* @returns {number}
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*/
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function defaultStringLength(value) {
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return value.length
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}
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/**
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* @param {string|null|undefined} value
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* @returns {number}
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*/
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function toAlignment(value) {
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const code = typeof value === 'string' ? value.codePointAt(0) : 0
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return code === 67 /* `C` */ || code === 99 /* `c` */
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? 99 /* `c` */
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: code === 76 /* `L` */ || code === 108 /* `l` */
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? 108 /* `l` */
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: code === 82 /* `R` */ || code === 114 /* `r` */
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? 114 /* `r` */
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: 0
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}
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